Spohie asks each dinner guest to select one choice from each list:main(chicken,salmon, or steak),side (potato or rice), and vege
table(beans or broccoli)
Model the sample space
with all possible outcomes.
Find the probability of a
guest requesting either
potatoes or beans if the
guest chooses at random.
Show your work.
Model the sample space
with all possible outcomes.
Find the probability of a
guest requesting either
potatoes or beans if the
guest chooses at random.
Show your work.
1 answer:
Answer:
chicken potato beans chicken rice beans chicken potato broccoli chicken rice broccoli salmon potato beans salmon rice beans salmon potato broccoli salmon rice broccoli steak potato beans steak rice beans steak potato broccoli steak rice broccoli
Step-by-step explanation:
use the chart but do chicken etc..
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Answer:
d. P(x = 0) = .50
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean and standard deviation
, the z-score of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
a. P(x < 2) = .9772
This is the p-value of Z = 2.
Looking at the z-table, Z = 2 has a p-value of 0.9772, and thus, this probability is correct.
b. P(x ≥ 1) = .1587
This is 1 subtracted by the p-value of Z = 1.
Looking at the z-table, Z = 1 has a p-value of 0.8413.
1 - 0.8413 = 0.1587, and so, this probability is correct.
c. P(x ≤ 1) = .8413
This is the p-value of Z = 1, that is, 0.8413, so this is correct.
d. P(x = 0) = .50
The probability of an exact value on the normal distribution is 0, and thus, option d is wrong and is the answer to this question.
Answer:
x= 7.87298334621 x=.12701665379
Step-by-step explanation:
This is in standard form so we have to factor this into
x^2-8x + 16 + 1 = 16
(x-4)^2 = 15
(x-4) =
x-4= ± 3.87298334621
x-4 = 3.87298334621 x-4= -3.87298334621
x= 7.87298334621 x=.12701665379